KOEO/KOER SELF-TEST [ZY]


id0102d3100400

• The self-test function consists of the KOEO (Key On, Engine Off) self-test, performed when the ignition switch is turned to the ON position and the engine is stopped, and the KOER (Key On, Engine Running) self-test, performed when idling. If an abnormality is detected when either self-test is executed, a DTC is displayed on the WDS or equivalent. Using the self-test function, the present malfunction or a successful repair is readily confirmed. Refer to the self-test function table for the corresponding DTCs.

KOEO (Key ON, Engine Off) Self-test

• The KOEO self-test is a powertrain control system self-diagnosis, performed when the ignition switch is turned to the ON position and the engine is stopped. A KOEO self-test begins when the connected WDS or equivalent sends an execute command to the PCM.
• As the KOEO self-test is performed, the PCM performs the inspection for set DTCs and if a malfunction is detected, the DTC is displayed on the WDS or equivalent.

KOER (Key ON, Engine Running) Self-test

• The KOER self-test is a powertrain control system self-diagnosis, performed when the ignition switch is turned to the ON position and the engine is idling. A KOER self-test begins when the connected WDS or equivalent sends an execute command to the PCM.
• As the KOER self-test is performed, the PCM performs the inspection for set DTCs and if a malfunction is detected the DTC is displayed on the WDS or equivalent.
×: Applicable
-: Not applicable

DTC No.

Condition

Test condition

KOEO

KOER

P0011
CMP-timing over-advanced
-
×
P0012
CMP-timing over-retarded
-
×
P0030
Front HO2S heater control circuit problem
×
×
P0031
Front HO2S heater control circuit high
×
×
P0032
Front HO2S heater control circuit low
×
×
P0037
Rear HO2S heater control circuit high
×
×
P0038
Rear HO2S heater control circuit low
×
×
P0101*1
MAF sensor circuit range/performance problem
-
-
P0102
MAF sensor circuit low input
×
×
P0103
MAF sensor circuit high input
×
×
P0107
MAP sensor circuit low input
×
×
P0108
MAP sensor circuit high input
×
×
P0111*1
IAT sensor circuit range/performance problem
-
-
P0112
IAT sensor circuit low input
×
×
P0113
IAT sensor circuit high input
×
×
P0117
ECT sensor circuit low input
×
×
P0118
ECT sensor circuit high input
×
×
P0122
TP sensor No.1 circuit low input
×
×
P0123
TP sensor No.1 circuit high input
×
×
P0125*1
Insufficient coolant temperature for closed loop fuel control
-
-
P0130
Front HO2S circuit problem
×
×
P0131
Front HO2S circuit low input
×
×
P0132
Front HO2S circuit high input
×
×
P0133*1
Front HO2S circuit slow response
-
-
P0134
Front HO2S circuit no activity detected
-
×
P0138
Rear HO2S circuit high input
×
×
P0140
Rear HO2S circuit no activity detected
-
×
P0222
TP sensor No.2 circuit low input
×
×
P0223
TP sensor No.2 circuit high input
×
×
P0300*1
Random misfire detected
-
×
P0301*1
Cylinder No.1 misfire detected
-
×
P0302*1
Cylinder No.2 misfire detected
-
×
P0303*1
Cylinder No.3 misfire detected
-
×
P0304*1
Cylinder No.4 misfire detected
-
×
P0327
KS circuit low input
×
×
P0328
KS circuit high input
×
×
P0335
CKP sensor circuit problem
-
-
P0340
CMP sensor circuit problem
-
-
P0351*2
Ignition coil No.1 control circuit malfunction
-
×
P0352*2
Ignition coil No.2 control circuit malfunction
-
×
P0353*2
Ignition coil No.3 control circuit malfunction
-
×
P0354*2
Ignition coil No.4 control circuit malfunction
-
×
P0401*2
EGR flow insufficient detected
-
×
P0403
EGR control circuit problem
×
×
P0421*1
Warm up Catalyst system efficiency below threshold
-
-
P0443
Purge solenoid valve circuit problem
×
×
P0480
Cooling fan relay No.1 control circuit malfunction
×
×
P0481
Cooling fan relay No.2 control circuit malfunction
×
×
P0500
VSS circuit problem
-
-
P0505
Idle air control problem
-
×
P0506*1
Idle air control system RPM lower than expected
-
-
P0507*1
Idle air control system RPM higher than expected
-
-
P0537
Evaporator temperature sensor circuit low input
×
×
P0538
Evaporator temperature sensor circuit high input
×
×
P0601
PCM memory check sum error
×
×
P0602
PCM programming error
×
×
P0604
PCM random access memory error
×
×
P0606
PCM processor
×
×
P0610
PCM vehicle configuration error
×
×
P0638
Throttle actuator control circuit range/performance problem
-
-
P0660
Variable intake air control circuit malfunction
×
×
P0668
PCM temperature sensor circuit low input
×
×
P0669
PCM temperature sensor circuit high input
×
×
P0703*1
Brake switch input circuit problem
-
-
P0704*1 *3
CPP switch input circuit problem
-
-
P0850*1 *3
Neutral switch input circuit problem
-
-
P1384
Oil Control Valve (OCV) circuit malfunction
-
×
P1515
Current sensor circuit problem
×
×
P2008
Variable tumble control circuit malfunction
×
×
P2016
Variable tumble shutter valve switch circuit low
×
×
P2017
Variable tumble shutter valve switch circuit high
×
×
P2088
Variable valve timing control circuit low
×
×
P2089
Variable valve timing control circuit high
×
×
P2096
Target A/F feedback system too lean
-
-
P2097
Target A/F feedback system too rich
-
-
P2101
Throttle actuator power supply line circuit problem
-
×
P2107
Throttle actuator control module processor error
-
×
P2108
Throttle actuator control module performance error
-
×
P2109
TP sensor minimum stop range/performance problem
-
×
P2112
Throttle actuator control system range/performance problem
-
×
P2119
Throttle actuator control throttle body range/performance problem
-
×
P2122
APP sensor No.1 circuit low input
×
×
P2123
APP sensor No.1 circuit high input
×
×
P2127
APP sensor No.2 circuit low input
×
×
P2128
APP sensor No.2 circuit high input
×
×
P2135
TP sensor No.1/No.2 voltage correlation problem
×
×
P2138
APP sensor No.1/No.2 voltage correlation problem
×
×
P2177
System too lean off idle
-
×
P2178
System too rich off idle
-
×
P2187
System too lean at idle
-
×
P2188
System too rich at idle
-
×
P2195
Front HO2S signal stuck lean
-
-
P2196
Front HO2S signal stuck rich
-
-
P2502
Charging system voltage problem
-
×
P2503
Charging system voltage low
-
×
P2504
Charging system voltage high
-
×
P2507
PCM power input signal low
×
×
*1 :
Australian specs.
*2 :
General (R. H. D.) specs.
*3 :
MTX